47721344344663 has 16 divisors (see below), whose sum is σ = 52079468675616. Its totient is φ = 43366525424640.

The previous prime is 47721344344633. The next prime is 47721344344673. The reversal of 47721344344663 is 36644344312774.

It is not a de Polignac number, because 47721344344663 - 2¹⁷ = 47721344213591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47721344344598 and 47721344344607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47721344344633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582971845 + ... + 583053697.

It is an arithmetic number, because the mean of its divisors is an integer number (3254966792226).

Almost surely, 2^{47721344344663} is an apocalyptic number.

47721344344663 is a deficient number, since it is larger than the sum of its proper divisors (4358124330953).

47721344344663 is a wasteful number, since it uses less digits than its factorization.

47721344344663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101394.

The product of its digits is 97542144, while the sum is 58.

The spelling of 47721344344663 in words is "forty-seven trillion, seven hundred twenty-one billion, three hundred forty-four million, three hundred forty-four thousand, six hundred sixty-three".